CN103319055A - Processing device for removing phenol and naphthalene in sewage and method thereof - Google Patents
Processing device for removing phenol and naphthalene in sewage and method thereof Download PDFInfo
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- CN103319055A CN103319055A CN2013102980211A CN201310298021A CN103319055A CN 103319055 A CN103319055 A CN 103319055A CN 2013102980211 A CN2013102980211 A CN 2013102980211A CN 201310298021 A CN201310298021 A CN 201310298021A CN 103319055 A CN103319055 A CN 103319055A
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Abstract
The invention discloses a processing device for removing phenol and naphthalene in sewage and a method thereof and belongs to the technical field of treatment of chemical wastewater containing poisonous and harmful phenol and naphthalene. The device comprises a processing device body and also comprises a suction pump. A water inlet area, a photo-catalytic oxidation area, a biodegradation area and a membrane mandatory separation area are arranged from one side to the other side in the processing device body. The top of the photo-catalytic oxidation area also comprises an ultraviolet lamp and a TiO2 catalysis plate. An elastic stereoscopic filler is arranged inside the biodegradation area, and the bottom of the biodegradation area comprises an air diffuser. According to the processing method, phenyl ring or polycyclic structure in phenol and naphthalene are opened by photo-catalytic oxidation to be changed into low-molecular substances, and the low-molecular substances are converted into carbon dioxide or other simple substances by the biological effect. Thus, the purpose of removing phenol and naphthalene substance pollution is achieved, separation of slush, pollutants and water is realized, and the purpose and effect of water quality purification are achieved.
Description
Technical field
The invention belongs to the processing technology field that contains poisonous and harmful phenol naphthalene wastewater from chemical industry, specifically, relate to a kind for the treatment of unit and method of removing phenol in the sewage, naphthalene, more particularly, relate to a kind of reaction unit and method of utilizing phenol and naphthalene in photochemical catalytic oxidation, microbial film oxidation removal chemical engineering sewage or the industrial sewage.
Background technology
Phenol, naphthalene etc. are common chemical raw materials, and Chemicals make materials such as phenol, naphthalene enter water body in production process and use, because its toxicity is higher, usually can cause destruction and the degeneration of water ecosystem.And phenol, naphthalene belong to the difficult for biological degradation organic pollutant, utilize microorganism to be difficult to it is decomposed, mainly be owing to phenol, naphthalene pollutent have benzene ring structure or polycyclic aromatic hydrocarbons structure, microbiological deterioration had certain biotic resistance, so adopt conventional active sludge or microbial film or restoration of the ecosystem engineering all to be difficult to the effect that reaches comparatively desirable.
The treatment process of using always at present for the sewage that contains pollutents such as phenol, naphthalene comprises: (1) physico-chemical process; (2) biochemical process; (3) chemical method.For a large amount of sorbent material of arts demand consumption such as the absorption in the physico-chemical process, extraction and air lift (gac, resin etc.), extraction agent (benzene, heavy benzol, light oil etc.) and air capacity, not only investment cost is huge, and has the risk that produces secondary pollution; Chemical method is to utilize pollutents such as phenol, naphthalene under the effect of strong oxidizer redox reaction to take place and change the low innoxious material of molecule into, but some comparatively harsh reaction conditionss environment to provide reaction to take place need be provided; Biochemical process is environmental friendliness, relatively cheap treatment process, method commonly used is conventional Activated Sludge Process, SBR technology, UASB technology, and obtained good effect, but the biochemical process utilization is that the metabolism of microorganism decomposes or transforms phenol, the naphthalene pollutent, the reaction times that needs is longer, conventional Activated Sludge Process needs 18-36h, SBR arts demand 18-24h, UASB arts demand 24-36h, be not only because phenol, the naphthalene pollutent has certain toxicity to microorganism, and phenol, the naphthalene pollutent belongs to aromatics, belongs to refractory organic, and bio-oxidation and degraded are had certain resistance.(above information class is with reference to following two pieces of documents, document one: xuwei brightness, Yan Yewei. phenolic wastewater treatment process summary [J]. and Shanghai Ship and Shipping Research Institute journal, 2005,28 (1): 53-55; Document two: Fan Ronggui, Gao Haijuan, Li Xian, etc. phenolic wastewater comprehensive regulation new technology and progress thereof [J]. water technology, 2013,39 (4): 5-9).
Summary of the invention
The problem that solves
Cost of investment height, the long operational time that exists at existing various technology and be easy to generate many urgent problems such as secondary pollution, the invention provides a kind for the treatment of unit and method of removing phenol in the sewage, naphthalene, phenol, naphthalene pollutent and intermediate product treatment effect have been improved, shortened the purification of water quality time, reduce running cost, reduced floor space, and space structure, ratio are set cleverly, phenol, naphthalene pollutent are passed through ultraviolet light wave/TiO respectively in different zones
2Combined action district and biological degradation district.
Technical scheme
In order to address the above problem, the technical solution adopted in the present invention is as follows:
A kind for the treatment of unit of removing phenol in the sewage, naphthalene, comprise the treatment unit body, also comprise suction pump, be followed successively by inhalant region, photochemical catalytic oxidation district, biological degradation district and film from a side to opposite side in the described treatment unit body and force the disengaging zone, its volume size is than being 1:1-2:2.5-4.5:1.5-3; Be communicated with in the bottom between described inhalant region and the photochemical catalytic oxidation district; Be communicated with at the top between described photochemical catalytic oxidation district and the biological degradation district; Described biological degradation district and film are forced to be communicated with in the bottom between the disengaging zone; The top in described photochemical catalytic oxidation district also comprises ultraviolet lamp and TiO
2Catalytic plate, TiO
2Catalytic plate is positioned at the below of ultraviolet lamp; The bottom in described photochemical catalytic oxidation district also comprises agitator; The inner flexible 3-D filler in described biological degradation district, the bottom also comprises air-diffuser; Described film forces inside, disengaging zone also to comprise membrane module; Suction pump links to each other with membrane module.
Preferably, air-diffuser is perforated pipe or micro-pore aeration dish.
Preferably, the wavelength of ultraviolet lamp is 265-280nm.
More preferably, the wavelength of described ultraviolet lamp is 275nm.
A kind for the treatment of process of removing phenol in the sewage, naphthalene the steps include:
1) pre-treatment, elastic solid filler is suspended on the biological degradation district, the district of sealing biological degradation earlier, and inject the sewage contain phenol, naphthalene to the biological degradation district, make sewage only remain on the biological degradation district, add active seed sludge in the biological degradation district, active seed sludge dosage makes biological degradation district MLSS remain between the 3500-4500mg/L, and DO remains on 2.5-4.0mg/L; Change the sewage in biological degradation district in every 3-4 days, and changed 2-4 time, carry out vexed exposing to the sun 6-12 days at last again, form comparatively stable microbial film in the biological degradation district on the elastic solid filler;
2) treatment step: under the effect of water pump, sewage is pumped into inhalant region, sewage enters the photochemical catalytic oxidation district from the inhalant region bottom, the sewage that contains phenol, naphthalene that will be not easy to be utilized by microorganism under photocatalytic oxidation is under photodissociation and catalytic association effect, make phenol, naphthalene in the sewage change low molecule organic matter into, enter the biological degradation district through the sewage after the photochemical catalytic oxidation, small organic molecule in the sewage carries out thorough mineralising under microbial process on the microbial film, and produces a spot of excess sludge; The sewage that contains phenol, naphthalene that will be not easy to be utilized by microorganism under photocatalytic oxidation is under photodissociation and catalytic association effect, make phenol, naphthalene in the sewage change low molecule organic matter into through complicated chemical process, these low molecule organic matters do not have biotic resistance, the effect that agitator can improve photochemical catalytic oxidation contacts with the photochemical catalytic oxidation district with phenol, naphthalene material, accelerates the oxidation of sewage; Enter the biological degradation district through the sewage after the photochemical catalytic oxidation, the small organic molecule in the sewage carries out thorough mineralising under microbial process on the microbial film, and produces a spot of excess sludge;
3) separate: the mud mixture that comes out in the biological degradation district enters film from bottom, biological degradation district and forces the disengaging zone, and the water after the feasible processing of the suction of suction pump filters the back by membrane module and discharges; Realize mud-water separation, film is ultra-filtration membrane, and its membrane pore size is the 10-100 dust, and the pressure of suction pump is 4 * 10
4Pa～7 * 10
5Pa.
Preferably, described step 2) hydraulic detention time of sewage in the photochemical catalytic oxidation district is not less than 0.5 h in, and the power of ultraviolet lamp is 200-300 W, and the stirring velocity of agitator is 150-250 rev/min; The hydraulic detention time of sewage in the biological degradation district is 2.5-6h, and temperature requirement is not less than 5 ℃.
Beneficial effect
Than prior art, beneficial effect of the present invention is:
(1) the present invention earlier utilizes photocatalytic oxidation to open phenyl ring or polynuclear plane in phenol, the naphthalene to become lower-molecular substance, to contain these lower-molecular substance effluent stream again through the biological degradation district, utilize biological action to change these lower-molecular substances into carbonic acid gas or other simple materials, reach the purpose of removing and eliminate phenol, the pollution of naphthalene material; The mode of forcing to hold back by film realizes separating of muddy water, pollutent and water at last, reaches purpose and the effect of purification of water quality;
(2) the present invention's advantage of physico-chemical process and biochemical process that has been coupled, the uv irradiation technology of materialization technology and the biodegradation process of biochemical technology are replenished mutually, overcome the weakness separately of uv irradiation and biochemical technology, phenol, naphthalene pollutent and intermediate product treatment effect have been improved, shortened the purification of water quality time, reduced running cost, reduced floor space etc.;
(3) device of the present invention utilizes film forced filtration technology, has prolonged the residence time of microorganism in the biological degradation district and has increased microbial biomass, has strengthened the degradation effect in biological degradation district; Meanwhile, utilize the film forced filtration can also realize other beneficial effects, comprise and reduce delivery turbidity, microorganism and residual macromole organic pollutant etc.;
(4) treatment process of the present invention has advantage simple, easy to operate and that save cost;
(3) wavelength of device medium ultraviolet lamp of the present invention is 265-280nm, and photodissociation is effective, and especially effect is best when wavelength is 275nm.
Description of drawings
Fig. 1 apparatus of the present invention structural representation.
Among the figure: 1, inhalant region; 2, photochemical catalytic oxidation district; 21, ultraviolet lamp; 22, agitator; 23, TiO
2Catalytic plate; 3, biological degradation district; 31, elastic solid filler; 32, air-diffuser; 4, film is forced the disengaging zone; 41, membrane module; 42, suction pump.
Embodiment
Describe the present invention below in conjunction with concrete accompanying drawing.
As shown in Figure 1, a kind for the treatment of unit of removing phenol in the sewage, naphthalene, comprise the treatment unit body, also comprise suction pump 42, be followed successively by inhalant region 1, photochemical catalytic oxidation district 2, biological degradation district 3 and film from a side to opposite side in the treatment unit body and force disengaging zone 4, its volume size is than being 1:1-2:2.5-4.5:1.5-3; Be communicated with in the bottom between inhalant region 1 and the photochemical catalytic oxidation district 2; Be communicated with at the top between photochemical catalytic oxidation district 2 and the biological degradation district 3; Biological degradation district 3 and film are forced to be communicated with in the bottom between the disengaging zone 4; The top in photochemical catalytic oxidation district 2 also comprises ultraviolet lamp 21 and TiO
2 Catalytic plate 23, TiO
2 Catalytic plate 23 is positioned at the below of ultraviolet lamp 21; TiO
2That catalytic plate adopts is TiO on smearing and cover on the surface of pmma material
2The bottom in photochemical catalytic oxidation district 2 also comprises agitator 22; Biological degradation district 3 inner flexible 3-D fillers 31, the bottom also comprises air-diffuser 32; Film forces 4 inside, disengaging zone also to comprise membrane module 41; Suction pump 42 links to each other with membrane module 41.Air-diffuser 32 is perforated pipe or micro-pore aeration dish, and the wavelength of ultraviolet lamp is 265-280nm, and wavelength is that 275 o'clock effects are best.
A kind for the treatment of process of removing phenol in the sewage, naphthalene the steps include:
1) pre-treatment, elastic solid filler 31 is suspended on biological degradation district 3, do not open ultraviolet light, the district of sealing biological degradation earlier 3, and 3 inject the sewage contain phenol, naphthalene to the biological degradation district, and make sewage only remain on biological degradation district 3, in biological degradation district 3, add active seed sludge, active seed sludge dosage makes biological degradation district MLSS remain between the 3500-4500mg/L, and DO remains on 2.5-4.0mg/L; Changed the sewage in biological degradation district 3, and carried out vexed exposing to the sun 6-12 days at last again in every 3-4 days; Vexed exposing to the sun finished the fixing mud of absorption that suspends in the back eliminating treatment unit; Carrying out the continuous water inlet of the little water yield behind the inoculation membrane formation earlier can conform and breed fast the microorganism that is adsorbed onto the elastic solid filler surface; Its flooding velocity is the 1/3-1/4 of design discharge, and with 3-4 days be a gradient, improve flow gradually to 1/2-1/3,1-1/2 and the operation of full design discharge, enter operational process at last; Make and form comparatively stable microbial film in the biological degradation district 3 on the elastic solid filler 31;
2) treatment step: under the effect of water pump, sewage pumped into inhalant region 1, sewage enters photochemical catalytic oxidation district 2 from inhalant region 1 bottom, the sewage that contains phenol, naphthalene that will be not easy to be utilized by microorganism under photocatalytic oxidation is under photodissociation and catalytic association effect, make phenol, naphthalene in the sewage change low molecule organic matter into, enter biological degradation district 3 through the sewage after the photochemical catalytic oxidation, small organic molecule in the sewage carries out thorough mineralising under microbial process on the microbial film, and produces a spot of excess sludge; The hydraulic detention time of sewage in photochemical catalytic oxidation district 2 is not less than 0.5 h, and the power of ultraviolet lamp is 200-300 W, and the stirring velocity of agitator is 150-250 rev/min; The hydraulic detention time of sewage in biological degradation district 3 is 2.5-6h, and temperature requirement is not less than 5 ℃.
3) separate: the mud mixture that comes out in biological degradation district 3 enters film and forces disengaging zone 4 from 3 bottoms, biological degradation district, and the water after the feasible processing of the suction of suction pump 42 filters the back discharge by membrane module 41; Realize mud-water separation, film is ultra-filtration membrane, and its membrane pore size is the 10-100 dust, and the pressure of suction pump is 4 * 10
4Pa～7 * 10
5Pa.
Treatment unit operation debugging: treatment unit and elastic solid filler are installed earlier, do not open ultraviolet light, sealing bio-oxidation district enters the debug phase, seed sludge is added in the treatment unit, the seed sludge add-on is for guaranteeing that biological degradation district MLSS is between 3500-4500mg/L, and add a little cerelose and trace element, pump into the wastewater from chemical industry that contains the phenol naphthalene again, with the air compressor oxygen supply, carry out vexed exposing to the sun about 6-12 days, with every 3-4 days be vexed exposing to the sun the cycle, changed the chemical engineering sewage that contains the phenol naphthalene in the treatment unit in every 3-4 days; Vexed exposing to the sun finished the fixing mud of absorption that suspends in the back eliminating treatment unit; Carrying out the continuous water inlet of the little water yield behind the inoculation membrane formation earlier can conform and breed fast the microorganism that is adsorbed onto the elastic solid filler surface; Its flooding velocity is the 1/3-1/4 of design discharge, and with 3-4 days be a gradient, improve flow gradually to 1/2-1/3,1-1/2 and the operation of full design discharge, enter operational process at last; Make on the elastic solid filler and can form stable biological membranous layer; Utilize the strengthening effect of photochemical catalytic oxidation to make that benzene ring structure separately becomes lower-molecular substance in the phenol naphthalene class refractory organic
The operation of disposal plant: the wastewater from chemical industry that water pump 2 will contain the phenol naphthalene pumps into the top of the inhalant region of disposal plant, its hydraulic detention time HRT is between 30min-60min, bottom from inhalant region enters the photochemical catalytic oxidation district subsequently, its HRT is not less than 30min, the ultraviolet lamp wavelength is about 265-280nm, and stir its bottom.Then these wastewater from chemical industry that contain lower-molecular substance enter the bio-oxidation district from the bottom in photochemical catalytic oxidation district, HRT is between 3-6h, DO is not less than 3mg/L, the microbial film of the elastic solid filler of air demand utilization process cultivation and domestication, utilize miscellaneous microorganism biodegrade in the microbial film, it is converted into low-molecular inorganic material (as: carbonic acid gas etc.) fully.The microbial film that splits away off or the phenols that left behind, naphthalene class chemical substance further purify under the pressure crown_interception of filtering membrane, and mould material is the Mierocrystalline cellulose nanofiltration membrane.
The present invention will be described below in conjunction with specific embodiment.
As shown in Figure 1, a kind for the treatment of unit of removing phenol in the sewage, naphthalene, comprise the treatment unit body, also comprise suction pump 42, be followed successively by inhalant region 1, photochemical catalytic oxidation district 2, biological degradation district 3 and film from a side to opposite side in the treatment unit body and force disengaging zone 4, its volume size is than being 1:1.5:4:2; Be communicated with in the bottom between inhalant region 1 and the photochemical catalytic oxidation district 2; Be communicated with at the top between photochemical catalytic oxidation district 2 and the biological degradation district 3; Biological degradation district 3 and film are forced to be communicated with in the bottom between the disengaging zone 4; The top in photochemical catalytic oxidation district 2 also comprises ultraviolet lamp 21 and TiO
2 Catalytic plate 23, TiO
2 Catalytic plate 23 is positioned at the below of ultraviolet lamp 21; TiO
2That catalytic plate adopts is TiO on smearing and cover on the surface of pmma material
2The bottom in photochemical catalytic oxidation district 2 also comprises agitator 22; Biological degradation district 3 inner flexible 3-D fillers 31, the bottom also comprises air-diffuser 32; Film forces 4 inside, disengaging zone also to comprise membrane module 41; Suction pump 42 links to each other with membrane module 41.Air-diffuser 32 is perforated pipe, and the wavelength of ultraviolet lamp is 275 nm.
A kind for the treatment of process of removing phenol in the sewage, naphthalene the steps include:
1) pre-treatment, elastic solid filler 31 is suspended on biological degradation district 3, do not open ultraviolet light, the district of sealing biological degradation earlier 3, and 3 inject the sewage contain phenol, naphthalene to the biological degradation district, make sewage only remain on biological degradation district 3, in biological degradation district 3, add active seed sludge, make and form comparatively stable microbial film in the biological degradation district 3 on the elastic solid filler 31; Active seed sludge dosage makes biological degradation district MLSS remain between the 3800mg/L, and DO remains on 3.3mg/L; Change the sewage in biological degradation district 3 in per 3 days, and changed 3 times, carry out vexed exposing to the sun 9 days at last again; Vexed exposing to the sun finished the fixing mud of absorption that suspends in the back eliminating treatment unit; Carrying out the continuous water inlet of the little water yield behind the inoculation membrane formation earlier can conform and breed fast the microorganism that is adsorbed onto the elastic solid filler surface; Its flooding velocity is 1/3 of design discharge, and with 3 days be a gradient, improve flow to 1/3,1/2 and the operation of full design discharge gradually, enter operational process at last;
2) treatment step: under the effect of water pump, sewage pumped into inhalant region 1, sewage enters photochemical catalytic oxidation district 2 from inhalant region 1 bottom, the sewage that contains phenol, naphthalene that will be not easy to be utilized by microorganism under photocatalytic oxidation is under photodissociation and catalytic association effect, make phenol, naphthalene in the sewage change low molecule organic matter into, enter biological degradation district 3 through the sewage after the photochemical catalytic oxidation, small organic molecule in the sewage carries out thorough mineralising under microbial process on the microbial film, and produces a spot of excess sludge; The hydraulic detention time of sewage in photochemical catalytic oxidation district 2 is 1.5 h, and the power of ultraviolet lamp is 250W, and the stirring velocity of agitator is 180 rev/mins; The hydraulic detention time of sewage in biological degradation district 3 is 6h, and temperature is 15 ℃.
3) separate: the mud mixture that comes out in biological degradation district 3 enters film and forces disengaging zone 4 from 3 bottoms, biological degradation district, and the water after the feasible processing of the suction of suction pump 42 filters the back discharge by membrane module 41; Realize mud-water separation, film is ultra-filtration membrane, and its membrane pore size is 60 dusts, and the pressure of suction pump is 5 * 10
5Pa.
Utilize miscellaneous microorganism biodegrade in the microbial film, it is converted into low-molecular inorganic material (as: carbonic acid gas etc.) fully.The microbial film that splits away off or the phenols that left behind, naphthalene class chemical substance further purify under the pressure crown_interception of filtering membrane, and mould material is the Mierocrystalline cellulose nanofiltration membrane.
When the concentration of water inlet phenol, naphthalene was respectively 210mg/L, 15mg/L, the concentration of water outlet phenol, naphthalene reached 1.5mg/L and 0.8mg/L, and water outlet reaches petrochemical complex pollution discharge standard (GB428119-1984) fully.
Embodiment 2
With embodiment 1, difference is: device aspect, inhalant region 1, photochemical catalytic oxidation district 2, biological degradation district 3 and film force the volume size of disengaging zone 4 than being 1:1:2.5:1.5; The wavelength of ultraviolet lamp is 280nm; Air-diffuser 32 is the micro-pore aeration dish; In the method for handling, active seed sludge dosage makes biological degradation district MLSS remain between the 4500mg/L in the pre-treatment in the step 1), and DO remains on 2.5mg/L; Change the sewage in biological degradation district 3 in per 3 days, and changed 4 times, carry out vexed exposing to the sun 6 days at last again; Vexed exposing to the sun finished the fixing mud of absorption that suspends in the back eliminating treatment unit; Carrying out the continuous water inlet of the little water yield behind the inoculation membrane formation earlier can conform and breed fast the microorganism that is adsorbed onto the elastic solid filler surface; Its flooding velocity is 1/4 of design discharge, and with 3 days be a gradient, improve flow to 1/2 and the operation of full design discharge gradually, enter operational process at last; Step 2) sewage is at hydraulic detention time 0.5 h in photochemical catalytic oxidation district 2 in, and the power of ultraviolet lamp is 300 W, and the stirring velocity of agitator is 250 rev/mins; The hydraulic detention time of sewage in biological degradation district 3 is 2.5h, and temperature requirement is not less than 5 ℃.Its membrane pore size is 100 dusts in the step 3), and the pressure of suction pump is 7 * 10
5Pa.When the concentration of water inlet phenol, naphthalene was respectively 120mg/L, 18mg/L, the concentration of water outlet phenol, naphthalene reached 1mg/L and 1mg/L, and water outlet reaches petrochemical complex pollution discharge standard (GB428119-1984) fully.
With embodiment 1, difference is: device aspect, inhalant region 1, photochemical catalytic oxidation district 2, biological degradation district 3 and film force the volume size of disengaging zone 4 than being 1:2:4.5:3; The wavelength of ultraviolet lamp is 265nm; In the method for handling, active seed sludge dosage makes biological degradation district MLSS remain between the 3500mg/L in the pre-treatment in the step 1), and DO remains on 4.0mg/L; Change the sewage in biological degradation district 3 in per 4 days, and changed 2 times, carry out vexed exposing to the sun 12 days at last again; Vexed exposing to the sun finished the fixing mud of absorption that suspends in the back eliminating treatment unit; Carrying out the continuous water inlet of the little water yield behind the inoculation membrane formation earlier can conform and breed fast the microorganism that is adsorbed onto the elastic solid filler surface; Its flooding velocity is 1/3 of design discharge, and with 4 days be a gradient, improve flow to 1/3,4/5 and the operation of full design discharge gradually, enter operational process at last; Step 2) sewage is at the hydraulic detention time 5h in photochemical catalytic oxidation district 2 in, and the power of ultraviolet lamp is 200 W, and the stirring velocity of agitator is 150 rev/mins; The hydraulic detention time of sewage in biological degradation district 3 is 3h, and temperature requirement is not less than 5 ℃.Its membrane pore size is 10 dusts in the step 3), and the pressure of suction pump is 4 * 10
4Pa.When the concentration of water inlet phenol, naphthalene was respectively 180mg/L, 11mg/L, the concentration of water outlet phenol, naphthalene reached 1.8mg/L and is lower than 0.7mg/L, and water outlet reaches petrochemical complex pollution discharge standard (GB428119-1984) fully.
Claims (6)
1. treatment unit of removing phenol in the sewage, naphthalene, comprise the treatment unit body, it is characterized in that, also comprise suction pump (42), be followed successively by inhalant region (1), photochemical catalytic oxidation district (2), biological degradation district (3) and film from a side to opposite side in the described treatment unit body and force disengaging zone (4), its volume size is than being 1:1-2:2.5-4.5:1.5-3; Be communicated with in the bottom between described inhalant region (1) and photochemical catalytic oxidation district (2); Be communicated with at the top between described photochemical catalytic oxidation district (2) and biological degradation district (3); Described biological degradation district (3) and film are forced to be communicated with in the bottom between the disengaging zone (4); The top in described photochemical catalytic oxidation district (2) also comprises ultraviolet lamp (21) and TiO
2Catalytic plate (23), TiO
2Catalytic plate (23) is positioned at the below of ultraviolet lamp (21); The bottom in described photochemical catalytic oxidation district (2) also comprises agitator (22); The inner flexible 3-D filler in described biological degradation district (3) (31), bottom also comprise air-diffuser (32); Described film forces inside, disengaging zone (4) also to comprise membrane module (41); Described suction pump (42) links to each other with membrane module (41).
2. a kind for the treatment of unit of removing phenol in the sewage, naphthalene according to claim 1, it is characterized in that: described air-diffuser (32) is perforated pipe or micro-pore aeration dish.
3. a kind for the treatment of unit of removing phenol in the sewage, naphthalene according to claim 1, it is characterized in that: the wavelength of described ultraviolet lamp (21) is 265-280nm.
4. according to claim 1 or 2 or 3 described a kind for the treatment of unit of removing phenol in the sewage, naphthalene, it is characterized in that: the wavelength of described ultraviolet lamp (21) is 275nm.
5. a treatment process of removing phenol in the sewage, naphthalene the steps include:
1) pre-treatment, elastic solid filler (31) is suspended on biological degradation district (3), the biological degradation district (3) of sealing earlier, and inject the sewage contain phenol, naphthalene to biological degradation district (3), make sewage only remain on biological degradation district (3), add active seed sludge in biological degradation district (3), active seed sludge dosage makes biological degradation district MLSS remain between the 3500-4500mg/L, and DO remains on 2.5-4.0mg/L; Changed the sewage in biological degradation district (3) in every 3-4 days, and changed 2-4 time, carry out vexed exposing to the sun 6-12 days at last again, the interior elastic solid filler in biological degradation district (3) (31) is gone up and is formed comparatively stable microbial film;
2) treatment step: under the effect of water pump, sewage pumped into inhalant region (1), sewage enters photochemical catalytic oxidation district (2) from inhalant region (1) bottom, the sewage that contains phenol, naphthalene that will be not easy to be utilized by microorganism under photocatalytic oxidation is under photodissociation and catalytic association effect, make phenol, naphthalene in the sewage change low molecule organic matter into, enter biological degradation district (3) through the sewage after the photochemical catalytic oxidation, small organic molecule in the sewage carries out thorough mineralising under microbial process on the microbial film, and produces a spot of excess sludge;
3) separate: the mud mixture that come out biological degradation district (3) enters film from biological degradation district (3) bottom and forces disengaging zone (4), and the water after the feasible processing of the suction of suction pump (42) filters the back discharge by membrane module (41); Realize mud-water separation, film is ultra-filtration membrane, and its membrane pore size is the 10-100 dust, and the pressure of suction pump (42) is 4 * 10
4Pa～7 * 10
5Pa.
6. a kind for the treatment of process of removing phenol in the sewage, naphthalene according to claim 5, it is characterized in that, step 2) hydraulic detention time of sewage in photochemical catalytic oxidation district (2) is not less than 0.5 h in, the power of ultraviolet lamp (21) is 200-300 W, and the stirring velocity of agitator (22) is 150-250 rev/min; The hydraulic detention time of sewage in biological degradation district (3) is 2.5-6h, and temperature requirement is not less than 5 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445811A (en) * | 2014-11-13 | 2015-03-25 | 安徽国星生物化学有限公司 | Treatment process for 3,5,6-trichloropyridine-2-sodium alkoxide production wastewater |
| CN104609663A (en) * | 2015-01-19 | 2015-05-13 | 徐州工程学院 | Device and method for treating municipal sewage in combination of ultraviolet radiation and biofilm oxidation |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11290848A (en) * | 1998-04-08 | 1999-10-26 | Chiyoda Kohan Co Ltd | Method and apparatus for filtration |
| CN200971335Y (en) * | 2006-06-27 | 2007-11-07 | 上海大学 | Combined sewage treatment device |
| KR20090025409A (en) * | 2007-09-06 | 2009-03-11 | 하우징닥터 (주) | Wastewater treatment system and method using nano metal and catalysis membrane |
| CN101439894A (en) * | 2008-12-30 | 2009-05-27 | 哈尔滨工业大学 | Photocatalysis and biotreatment combined drinking water treatment method |
| CN101786689A (en) * | 2010-02-10 | 2010-07-28 | 厦门市威士邦膜科技有限公司 | Membrane separation concentrated water treatment method and integral coupling device |
| CN102633410A (en) * | 2012-04-28 | 2012-08-15 | 山东理工大学 | Process for recycling and processing hyperhaline reverse osmosis concentrated water |
| CN102701318A (en) * | 2012-06-12 | 2012-10-03 | 常州大学 | Device and method for removing humic acid in potable water |
| CN102936080A (en) * | 2012-10-30 | 2013-02-20 | 山东大学 | Photocatalytic/aerobe-combined water treatment device and working method thereof |
| CN202968319U (en) * | 2012-12-07 | 2013-06-05 | 徐州工程学院 | Multistage-filtering membrane bioreactor |
| CN103145296A (en) * | 2013-03-19 | 2013-06-12 | 中冶南方工程技术有限公司 | Method and device for treating reverse osmosis concentrated water |
-
2013
- 2013-07-17 CN CN201310298021.1A patent/CN103319055B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11290848A (en) * | 1998-04-08 | 1999-10-26 | Chiyoda Kohan Co Ltd | Method and apparatus for filtration |
| CN200971335Y (en) * | 2006-06-27 | 2007-11-07 | 上海大学 | Combined sewage treatment device |
| KR20090025409A (en) * | 2007-09-06 | 2009-03-11 | 하우징닥터 (주) | Wastewater treatment system and method using nano metal and catalysis membrane |
| CN101439894A (en) * | 2008-12-30 | 2009-05-27 | 哈尔滨工业大学 | Photocatalysis and biotreatment combined drinking water treatment method |
| CN101786689A (en) * | 2010-02-10 | 2010-07-28 | 厦门市威士邦膜科技有限公司 | Membrane separation concentrated water treatment method and integral coupling device |
| CN102633410A (en) * | 2012-04-28 | 2012-08-15 | 山东理工大学 | Process for recycling and processing hyperhaline reverse osmosis concentrated water |
| CN102701318A (en) * | 2012-06-12 | 2012-10-03 | 常州大学 | Device and method for removing humic acid in potable water |
| CN102936080A (en) * | 2012-10-30 | 2013-02-20 | 山东大学 | Photocatalytic/aerobe-combined water treatment device and working method thereof |
| CN202968319U (en) * | 2012-12-07 | 2013-06-05 | 徐州工程学院 | Multistage-filtering membrane bioreactor |
| CN103145296A (en) * | 2013-03-19 | 2013-06-12 | 中冶南方工程技术有限公司 | Method and device for treating reverse osmosis concentrated water |
Non-Patent Citations (1)
| Title |
|---|
| 常颖等: "复合式膜生物反应器的小区污水回用试验研究", 《哈尔滨工业大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445811A (en) * | 2014-11-13 | 2015-03-25 | 安徽国星生物化学有限公司 | Treatment process for 3,5,6-trichloropyridine-2-sodium alkoxide production wastewater |
| CN104609663A (en) * | 2015-01-19 | 2015-05-13 | 徐州工程学院 | Device and method for treating municipal sewage in combination of ultraviolet radiation and biofilm oxidation |
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|---|---|
| CN103319055B (en) | 2014-11-05 |
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